$ git clone -n https://gitee.com/src-opencloudos-rpms/luajit.git /var/lib/mock/dist-oc9-build-73297-48756/root/chroot_tmpdir/scmroot/luajit
Cloning into '/var/lib/mock/dist-oc9-build-73297-48756/root/chroot_tmpdir/scmroot/luajit'...
$ git fetch origin c283eac029bc69e1a9cdb7a5871dd8c3657e5b03:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/luajit
 * [new ref]         c283eac029bc69e1a9cdb7a5871dd8c3657e5b03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c283eac import luajit-2.1.20230821-2.tl4